<!DOCTYPE html>
<html>
    <head>
        <title>PageFontStyle</title>
        <script src="jquery-3.1.0.min.js"></script>
        <script src="popup.js"></script>
        <script src="jscolor.min.js"></script>
  </head>
  <style>
    body {
    min-width:250px;
    min-height:150px;
}
  </style>
  <body>
        <input id="fontColor" class="jscolor" value="FFCC00">
        <input type="submit" id="btnChange" value="Change"/>
  </body>
</html>